Alert archive / New Jersey / Severe Thunderstorm Warnings in 2019
Severe Thunderstorm Warning 208, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jul 6, 2019, 5:04 PM EDT for Delaware County, Pennsylvania; Gloucester County, Salem County, New Jersey; New Castle County, Delaware. It was in force for 17 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Jul 6, 2019, 5:04 PM EDT (21:04 UTC)
- Expired
- Jul 6, 2019, 5:21 PM EDT
- In force
- 17 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Tornado
- Possible
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties New Castle County, DE, Gloucester County, NJ, Salem County, NJ, Delaware County, PA
The radar
The Philadelphia radar (KDIX), 86 km from the middle of the area, began a volume at 21:07 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Washington/Dulle, VA (KIAD), launched 12:00Z, 9.1 hours before the alert went out and 196 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 281 J/kg
- Mixed-layer CIN
- -89 J/kg
- Mixed-layer LCL
- 998 m above ground
- 0-6 km bulk shear
- 16 kt
- 0-1 km storm-relative helicity
- 55 m²/s²
- 0-3 km storm-relative helicity
- 70 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
080
WUUS51 KPHI 062104
SVRPHI
DEC003-NJC015-033-PAC045-062145-
/O.NEW.KPHI.SV.W.0208.190706T2104Z-190706T2145Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
504 PM EDT Sat Jul 6 2019
The National Weather Service in Mount Holly NJ has issued a
* Severe Thunderstorm Warning for...
Northeastern New Castle County in northern Delaware...
North central Salem County in southern New Jersey...
Northwestern Gloucester County in southern New Jersey...
Southeastern Delaware County in southeastern Pennsylvania...
* Until 545 PM EDT.
* At 503 PM EDT, a severe thunderstorm was located over Chester
Township, or 9 miles northeast of Wilmington, moving east at 15
mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Damage to roofs, siding, trees, and power lines is
possible.
* Locations impacted include...
Chester, West Deptford, Woodbury, Carneys Point, Folcroft,
Swarthmore, Paulsboro, Penns Grove, Swedesboro, Arden, Beckett,
Nether Providence Township, Chester Township, Philadelphia
International Arpt, Gibbstown, Chelsea, Brookhaven, Ridley Park,
Prospect Park and Norwood.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Remain alert for a possible tornado! Tornadoes can develop quickly
from severe thunderstorms. If you spot a tornado go at once into the
basement or small central room in a sturdy structure.
For your protection move to an interior room on the lowest floor of a
building.
To report severe weather, contact your nearest law enforcement
agency. They will send your report to the National Weather Service
office in Mount Holly NJ.
This thunderstorm is capable of producing all types of severe
weather including destructive straight line winds and tornadoes.
Move quickly to a safe shelter such as an interior room, a bathroom,
closet or basement.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 3977 7552 3988 7546 3992 7542 3985 7516
3966 7536
TIME...MOT...LOC 2103Z 291DEG 13KT 3982 7541
TORNADO...POSSIBLE
HAIL...<.75IN
WIND...60MPH
$$
MPS1 follow-up statement
797
WWUS51 KPHI 062121
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
521 PM EDT Sat Jul 6 2019
DEC003-NJC015-033-PAC045-062130-
/O.CAN.KPHI.SV.W.0208.000000T0000Z-190706T2145Z/
New Castle DE-Salem NJ-Gloucester NJ-Delaware PA-
521 PM EDT Sat Jul 6 2019
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN NEW CASTLE...
NORTH CENTRAL SALEM...NORTHWESTERN GLOUCESTER AND SOUTHEASTERN
DELAWARE COUNTIES IS CANCELLED...
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning has been cancelled. However, heavy rain is
still possible with this thunderstorm.
To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
Mount Holly NJ.
LAT...LON 3977 7552 3988 7546 3992 7542 3985 7516
3966 7536
TIME...MOT...LOC 2117Z 291DEG 13KT 3980 7533
$$
MPSThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 6, 3:43 PM EDT | Severe Thunderstorm Warning | PHI | Northampton | 47 min |
| Jul 6, 3:55 PM EDT | Tornado Warning | PHI | Delaware, Philadelphia | 50 min |
| Jul 6, 4:28 PM EDT | Severe Thunderstorm Warning | PHI | Bucks | 21 min |
| Jul 6, 4:41 PM EDT | Severe Thunderstorm Warning | PHI | Monroe, Northampton | 49 min |
| Jul 6, 4:45 PM EDT | Areal Flood Advisory | PHI | Bucks, Delaware, Montgomery, Philadelphia | 4 hr |
| Jul 6, 4:54 PM EDT | Areal Flood Advisory | PHI | Bucks, Chester, Montgomery | 4 hr |
| Jul 6, 5:25 PM EDT | Severe Thunderstorm Warning | PHI | Bucks | 50 min |
| Jul 6, 5:36 PM EDT | Tornado Warning | PHI | Bucks | 24 min |
| Jul 6, 5:44 PM EDT | Areal Flood Advisory | PHI | Berks, Carbon, Lehigh, Monroe, Northampton | 4 hr |
| Jul 6, 5:49 PM EDT | Areal Flood Advisory | PHI | Chester, Delaware, Montgomery | 4 hr |
| Jul 6, 6:13 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Montgomery, Philadelphia | 15 min |
| Jul 6, 6:22 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Carbon, Lehigh, Monroe, Northampton | 38 min |
| Jul 6, 6:42 PM EDT | Severe Thunderstorm Warning | PHI | Chester, Delaware, Philadelphia | 30 min |
| Jul 6, 6:49 PM EDT | Flash Flood Warning | PHI | Monroe, Northampton | 3 hr |
| Jul 6, 6:53 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Bucks, Chester, Lehigh, Monroe, Montgomery and 1 more | 67 min |
| Jul 6, 7:45 PM EDT | Special Weather Statement | PHI | Bucks, Chester, Delaware, Montgomery, Philadelphia | 45 min |
| Jul 6, 1:28 PM EDT | Areal Flood Advisory | PHI | Ocean | 3 hr |
| Jul 6, 1:46 PM EDT | Flash Flood Warning | PHI | Ocean | 4 hr |
| Jul 6, 1:52 PM EDT | Special Marine Warning | PHI | 53 min | |
| Jul 6, 2:05 PM EDT | Special Weather Statement | PHI | Burlington | 25 min |
| Jul 6, 2:06 PM EDT | Special Weather Statement | PHI | Monmouth | 24 min |
| Jul 6, 2:07 PM EDT | Special Marine Warning | PHI | 53 min | |
| Jul 6, 2:10 PM EDT | Special Weather Statement | PHI | Ocean | 35 min |
| Jul 6, 2:13 PM EDT | Special Weather Statement | PHI | Cumberland | 47 min |
| Jul 6, 2:17 PM EDT | Areal Flood Advisory | PHI | Burlington, Camden | 2 hr |
| Jul 6, 2:22 PM EDT | Special Marine Warning | PHI | 53 min | |
| Jul 6, 2:25 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Camden, Ocean | 28 min |
| Jul 6, 2:26 PM EDT | Severe Thunderstorm Warning | PHI | Monmouth | 34 min |
| Jul 6, 2:28 PM EDT | Severe Thunderstorm Warning | PHI | Atlantic, Ocean | 47 min |
| Jul 6, 2:29 PM EDT | Special Marine Warning | PHI | 61 min | |
| Jul 6, 2:40 PM EDT | Special Marine Warning | PHI | 31 min | |
| Jul 6, 2:58 PM EDT | Special Marine Warning | PHI | 62 min | |
| Jul 6, 3:04 PM EDT | Severe Thunderstorm Warning | PHI | Atlantic, Cape May, Ocean | 26 min |
| Jul 6, 3:22 PM EDT | Severe Thunderstorm Warning | PHI | Atlantic, Ocean | 37 min |
| Jul 6, 4:08 PM EDT | Tornado Warning | PHI | Hunterdon | 25 min |
| Jul 6, 4:39 PM EDT | Severe Thunderstorm Warning | PHI | Camden, Gloucester, Salem | 32 min |
| Jul 6, 4:49 PM EDT | Areal Flood Advisory | PHI | Hunterdon, Morris, Somerset, Sussex, Warren | 4 hr |
| Jul 6, 5:32 PM EDT | Flash Flood Warning | PHI | Warren | 4 hr |
| Jul 6, 7:33 PM EDT | Severe Thunderstorm Warning | PHI | Atlantic, Camden, Cumberland, Gloucester, Salem | 42 min |
| Jul 6, 6:00 PM EDT | Severe Thunderstorm Warning | PHI | Kent, Sussex | 29 min |
Nearby
Severe Thunderstorm Warnings in New Jersey, 2019Severe Thunderstorm Warnings in Pennsylvania, 2019Severe Thunderstorm Warnings in Delaware, 2019Every severe thunderstorm warning in 2019
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.